An electronic module (100) for mating with a complementary connector, comprises: a housing defining a recess area and a printed circuit board (3) disposed in the housing. A slider member (61) is assembled to an exterior surface of the housing and defines a pair of curved arm portions (612) formed on a front section thereof and a connecting portion (613) connected with two front ends of the pair of curved arm portions, and each arm portion defines a protrudent portion (6120) formed on a top surface thereof. A gasket (5) is received into the recess area and engaged with the housing. Whereby movement of the slider by a user along a front to rear direction, the pair of curved arm portions are both straightened to make two protrudent portions moved upwardly.